3d Scanning Technology from  MIT  Contact
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Depth of field: The minimum and maximum depth distances are 0.5 m and 4.5 m, respectively.
The horizontal field of view is 70 degrees and the vertical field of view is 60 degrees.
 
Resolution:   500 micrions = 0.0197 inch = .0.315059861
 or ~32% of a 16th of an inch.
or 0.62992126 or ~63% of a 32nd.

1/16" = 1587.5 microns
1/32" =  793.75 microns